Northwood Company manufactures basketballs........: ** I'm done first 3 quastions. please provide me the answers of the rest

Northwood Company manufactures basketballs. The company has a ball that sells for $36. At present, the ball is manufactured in a small plant that relies heavily on direct labor workers. Thus, variable expenses are high, totaling $21.60 per ball, of which 60% is direct labor cost. Last year, the company sold 56,000 of these balls, with the following results Sales (56,000 balls) Variable expenses $2,016,000 1,209,600 Contribution margin Fixed expenses 806,400 662,400 Net operating income $ 144,000 Required 1-a. Compute last year's CM ratio and the break-even point in balls. (Do not round intermediate calculations.) Answer is complete and correct CM Ratio 40 % Unit sales to break even 46,000 balls 1-b. Compute the the degree of operating leverage at last year's sales level. (Round your answer to 2 decimal places.) Answer is complete and correct. gree of operating 5.60 ra